仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 256Kb (32K x 8) |
| Memory Interface | SPI |
| Clock Frequency | 20 MHz |
| Write Cycle Time - Word Page | 5ms |
| Voltage - Supply | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The CAT25256VI-GT3 is a type of serial Electrically Erasable Programmable Read-Only Memory (EEPROM) chip. EEPROMs are non-volatile memory components used in electronic devices to store data that must be preserved when the device is powered off. The "25256" in its name indicates its memory size, which is 256 kilobits or 32 kilobytes. This chip uses a Serial Peripheral Interface (SPI) for communication, which is a common protocol for connecting peripherals to microcontrollers.
The "VI" denotes the package type as an 8-pin SOIC, which is a small-outline integrated circuit package. The "GT3" suffix typically refers to specific attributes related to the chip’s temperature range, lead finish, or other manufacturer-specific features.
The CAT25256VI-GT3 is generally used in applications requiring reliable data storage with frequent read and write operations. Typical usage includes storing configuration settings, calibration data, or other information that requires non-volatile storage in consumer electronics, automotive systems, and industrial applications.
The "VI" denotes the package type as an 8-pin SOIC, which is a small-outline integrated circuit package. The "GT3" suffix typically refers to specific attributes related to the chip’s temperature range, lead finish, or other manufacturer-specific features.
The CAT25256VI-GT3 is generally used in applications requiring reliable data storage with frequent read and write operations. Typical usage includes storing configuration settings, calibration data, or other information that requires non-volatile storage in consumer electronics, automotive systems, and industrial applications.
Equivalent
The CAT25256VI-GT3 is a 256-Kb SPI Serial CMOS EEPROM. Equivalent products include:
1. Microchip AT25256: Another 256-Kb SPI EEPROM with similar specifications.
2. STMicroelectronics M95256: Offers SPI interface with similar capacity and features.
3. ON Semiconductor LE25U20: Has similar EEPROM capacity and interface.
4. Renesas R1EX25512: 256Kb EEPROM with SPI interface.
When selecting an equivalent, ensure compatibility in terms of electrical characteristics, package type, and operating temperature range.
1. Microchip AT25256: Another 256-Kb SPI EEPROM with similar specifications.
2. STMicroelectronics M95256: Offers SPI interface with similar capacity and features.
3. ON Semiconductor LE25U20: Has similar EEPROM capacity and interface.
4. Renesas R1EX25512: 256Kb EEPROM with SPI interface.
When selecting an equivalent, ensure compatibility in terms of electrical characteristics, package type, and operating temperature range.
Features
The CAT25256VI-GT3 is a 256-Kb SPI EEPROM memory chip designed for data storage in electronic devices. Key features include:
1. Capacity: 256 Kbits organized as 32,768 x 8 bits.
2. Interface: Serial Peripheral Interface (SPI) with SPI modes 0 and 3 supported.
3. Voltage Range: Operates over a wide voltage range of 1.8V to 5.5V.
4. Speed: High-speed operation with a clock frequency of up to 10 MHz.
5. Write Protection: Features a write protection mechanism to safeguard data integrity.
6. Endurance: Supports up to 1,000,000 write cycles per byte, ensuring durability.
7. Data Retention: Provides data retention for over 100 years.
8. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package, suitable for space-constrained applications.
9. Low Power Consumption: Designed for low power applications, with minimal standby current.
10. Temperature Range: Operates effectively within the industrial temperature range of -40°C to +85°C.
These attributes make the CAT25256VI-GT3 suitable for a variety of applications requiring reliable non-volatile memory.
1. Capacity: 256 Kbits organized as 32,768 x 8 bits.
2. Interface: Serial Peripheral Interface (SPI) with SPI modes 0 and 3 supported.
3. Voltage Range: Operates over a wide voltage range of 1.8V to 5.5V.
4. Speed: High-speed operation with a clock frequency of up to 10 MHz.
5. Write Protection: Features a write protection mechanism to safeguard data integrity.
6. Endurance: Supports up to 1,000,000 write cycles per byte, ensuring durability.
7. Data Retention: Provides data retention for over 100 years.
8. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package, suitable for space-constrained applications.
9. Low Power Consumption: Designed for low power applications, with minimal standby current.
10. Temperature Range: Operates effectively within the industrial temperature range of -40°C to +85°C.
These attributes make the CAT25256VI-GT3 suitable for a variety of applications requiring reliable non-volatile memory.
Pinout
The CAT25256VI-GT3 is a 256-Kb SPI Serial CMOS EEPROM typically used for non-volatile memory storage. It has an 8-pin configuration. The functions of these pins are as follows:
1. CS (Chip Select): Activates the device when low.
2. SO (Serial Output): Outputs data from the EEPROM during a read operation.
3. WP (Write Protect): Disables all write operations if held low.
4. VSS (Ground): Ground reference for the device.
5. SI (Serial Input): Inputs data to the EEPROM for programming.
6. SCK (Serial Clock): Provides the clock signal for synchronization.
7. HOLD: Pauses communication without deselecting the device.
8. VCC: Supplies power to the device.
This EEPROM uses an SPI interface, which requires fewer pins for communication, making it suitable for applications where pin count is a concern.
1. CS (Chip Select): Activates the device when low.
2. SO (Serial Output): Outputs data from the EEPROM during a read operation.
3. WP (Write Protect): Disables all write operations if held low.
4. VSS (Ground): Ground reference for the device.
5. SI (Serial Input): Inputs data to the EEPROM for programming.
6. SCK (Serial Clock): Provides the clock signal for synchronization.
7. HOLD: Pauses communication without deselecting the device.
8. VCC: Supplies power to the device.
This EEPROM uses an SPI interface, which requires fewer pins for communication, making it suitable for applications where pin count is a concern.
Manufacturer
The CAT25256VI-GT3 is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a leading supplier of semiconductor-based solutions. The company provides a wide range of products including power and signal management, logic, discrete, and custom devices for various industries such as automotive, industrial, cloud, and Internet of Things (IoT). Onsemi is known for its focus on energy-efficient innovations that enable customers to reduce global energy use. The company has a significant presence in the semiconductor industry and is recognized for its commitment to sustainability, operational excellence, and providing high-quality, reliable solutions.
Application
The CAT25256VI-GT3 is a 256-Kb SPI Serial CMOS EEPROM used in applications requiring non-volatile memory storage. Key application areas include:
1. Consumer Electronics: Storing configuration data, user settings, and calibration data.
2. Industrial Control Systems: Retaining system parameters and logging data.
3. Automotive Systems: Managing engine settings, sensor data, and infotainment configurations.
4. Medical Devices: Preserving patient data and device settings.
5. Telecommunications: Storing network configurations and user profiles.
6. IoT Devices: Maintaining device identities and operational data.
Its small size, low power consumption, and reliable data retention make it suitable for these diverse applications.
1. Consumer Electronics: Storing configuration data, user settings, and calibration data.
2. Industrial Control Systems: Retaining system parameters and logging data.
3. Automotive Systems: Managing engine settings, sensor data, and infotainment configurations.
4. Medical Devices: Preserving patient data and device settings.
5. Telecommunications: Storing network configurations and user profiles.
6. IoT Devices: Maintaining device identities and operational data.
Its small size, low power consumption, and reliable data retention make it suitable for these diverse applications.
Package
The CAT25256VI-GT3 is a 256-Kb SPI Serial CMOS EEPROM provided in an 8-pin SOIC (Small Outline Integrated Circuit) package. This type of package is commonly used for surface mounting on printed circuit boards and is suitable for various electronics applications requiring non-volatile memory.
